1. [n]  someone who journeys in foreign lands
2. [n]  some one who journeys to a sacred place as an act of religious devotion
3. [n]  one of the colonists from England who sailed to America on the Mayflower and founded the colony of Plymouth in New England in 1620

Pilgrim
In this historical fantasy, a patient of Jung is found to be a man who has been alive in different forms for hundreds of years, during which one of his many colorful roles was to provide Leonardo`s model for the Mona Lisa. A New York Times Notable Book for the year 2000.

more details ...

1. \Pil"grim\, n. [OE. pilgrim, pelgrim, pilegrim,
   pelegrim; cf. D. pelgrim, OHG. piligr[=i]m, G. pilger, F.
   p[`e]lerin, It. pellegrino; all fr. L. peregrinus a
   foreigner, fr. pereger abroad; per through + ager land,
   field. See {Per-}, and {Acre}, and cf. {Pelerine},
   {Peregrine}.]
   1. A wayfarer; a wanderer; a traveler; a stranger.
            Strangers and pilgrims on the earth.  --Heb. xi. 13.
   2. One who travels far, or in strange lands, to visit some
      holy place or shrine as a devotee; as, a pilgrim to
      Loretto; Canterbury pilgrims. See {Palmer}. --P. Plowman.
   

2. \Pil"grim\, a.
   Of or pertaining to a pilgrim, or pilgrims; making
   pilgrimages. ``With pilgrim steps.'' --Milton.
   {Pilgrim fathers}, a name popularly given to the one hundred
      and two English colonists who landed from the Mayflower
      and made the first settlement in New England at Plymouth
      in 1620. They were separatists from the Church of England,
      and most of them had sojourned in Holland.
   

3. \Pil"grim\, v. i.
   To journey; to wander; to ramble. [R.] --Grew. Carlyle.